One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,4)(3,7,8,6)(10,12)(14,15)(17,18,23,22)(19,27,29,24)(20,30,31,25)(21,32,28,26)(1,3,5,8)(2,6,4,7)(9,10,13,12)(11,14,16,15)(17,19,23,29)(18,24,22,27)(20,28,31,21)(25,26,30,32)(9,10,13,12)(11,15,16,14)(17,20,23,31)(18,25,22,30)(19,21,29,28)(24,32,27,26)(1,2,5,4)(3,6,8,7)(9,11,13,16)(10,14,12,15)(17,20)(18,25)(19,28)(21,29)(22,30)(23,31)(24,26)(27,32)(1,2,5,4)(3,6,8,7)(9,12,13,10)(11,15,16,14)(17,21,23,28)(18,26,22,32)(19,20,29,31)(24,30,27,25)(1,4,5,2)(3,7,8,6)(17,22,23,18)(19,27,29,24)(20,30,31,25)(21,26,28,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.